Bolthole Index

Lawrence County, Illinois

Zoning, building permits and septic rules in Allison Township, Illinois

Allison Township is a township in Lawrence County, Illinois. Septic permits inside Allison Township come from the county and state together. 6 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the Lawrence County page.

Answers from the rulebook for Allison Township

Rules another office applies inside Allison Township

Allison Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Owner-builder exemptionConditional

    Private sewage disposal-system work inside Allison Township administered through the Lawrence County Health Department.

    • The homeowner must own and occupy the residence.
    • Work not done by that homeowner must be completed by a licensed contractor.
    • This finding concerns the septic-system application, not general building construction.
    “NOTE: Work not done by homeowner (must own & occupy residence) MUST be completed by licensed contractor.”
  • Who permits septicMixed (with conditions)

    Private sewage disposal systems inside Allison Township.

    • IDPH regulates installations statewide.
    • Local health agencies may also review construction plans under local ordinance or as an IDPH agent.
    • Lawrence County Health Department publishes the local plan-review application.
    “Staff also review and approve plans for private sewage disposal systems and alternative private sewage disposal systems before construction. There are about 90 local health agencies in Illinois that also review sewage disposal system construction plans, either by authority of a local ordinance or as an "agent" of the Department.”
  • Septic permitRequired

    New or renovated private sewage disposal systems inside Allison Township.

    • The local application is a plan-review application.
    • A soil-investigation result must be supplied for approval of a subsurface system.
    • Surface discharge to waters of the United States requires stated ILG62 coverage.

    septic permit fee: 100 USD (Shown on the Lawrence County Health Department application revised March 2, 2023.)

    “PRIVATE SEWAGE DISPOSAL SYSTEM PLAN REVIEW APPLICATION PERMIT FEE: $100.00 DATE: _________________”
  • Well permitRequired

    Construction of a new water well, modification of an existing water well, or sealing of an abandoned water well inside Allison Township.

    • The permit must be obtained from IDPH or an approved local health department before work begins.
    • The local form/application requires a plan and drawing.
    • The permit is void if construction has not commenced within one year.
    • The fee may not exceed $100.

    maximum water-well permit fee: <= 100 USD (Applies to permits to construct, deepen, modify, or seal a water well.) · permit expiration: 1 year (Void if construction has not commenced within one year after issuance.)

    “A permit to construct a new water well, modify an existing water well or seal an abandoned water well shall be obtained from the Department or approved local health department prior to start of work.”
  • Permit feesPublished (with conditions)

    Private sewage disposal-system plan-review permit for sites inside Allison Township.

    • The displayed form is revised March 2, 2023.
    • This is not evidence of fees for general building permits or other local permits.

    private sewage disposal permit fee: 100 USD

    “PRIVATE SEWAGE DISPOSAL SYSTEM PLAN REVIEW APPLICATION PERMIT FEE: $100.00 DATE: _________________”
  • Permit processPublished (with conditions)

    Private sewage disposal-system approval for sites inside Allison Township.

    • A copy of soil-investigation results is required for approval of a subsurface system.
    • The lot diagram must show the residence, lot lines, proposed system, listed distances and any sanitary sewer within 300 feet.
    • The contractor must notify the Health Department before backfilling.
    “NOTE: A copy of the soil investigation results MUST be provided for approval of a subsurface sewage disposal system.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Allison Township or Lawrence County directly.

  • Building permit — Residential building construction inside Allison Township, excluding septic and well permits addressed separately.
  • Building code adopted — Residential construction inside Allison Township.
  • Inspections — Residential building inspections inside Allison Township, excluding septic and well inspections addressed separately.
  • Certificate of occupancy — New residential occupancy inside Allison Township.
  • Local zoning — Land inside Allison Township, Lawrence County, Illinois.
16 more unanswered
  • Zoning districts
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Mandatory utility hookup
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Unanswered questions are usually a sign that Allison Township publishes no rule on the point, not that none exists. Lawrence County’s page lists the county offices to call.

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